hard Set 49 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [80] → [39, 41] → [_, _, _] → [_, 12, _, _] → [2, _, 8, _, 10]

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Answer: Row5[4]=1, Row4[1]=6, Row4[3]=9, Row4[4]=11, Row3[1]=18, Row3[2]=21, Row3[3]=20, Row5[2]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [80]
  • [39,41]
  • [18,21,20]
  • [6,12,9,11]
  • [2,4,8,1,10]
Base
  • 2
  • 4
  • 8
  • 1
  • 10
TopValue
80
HiddenCells
  • {"r":4,"c":3,"v":1}
  • {"r":3,"c":0,"v":6}
  • {"r":3,"c":2,"v":9}
  • {"r":3,"c":3,"v":11}
  • {"r":2,"c":0,"v":18}
  • {"r":2,"c":1,"v":21}
  • {"r":2,"c":2,"v":20}
  • {"r":4,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [75] → [_, _] → [15, 16, _] → [10, _, _, _] → [6, 4, 1, _, _]

Show answer

Answer: Row2[1]=31, Row4[2]=5, Row5[4]=10, Row3[3]=28, Row5[5]=7, Row4[4]=17, Row2[2]=44, Row4[3]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [75]
  • [31,44]
  • [15,16,28]
  • [10,5,11,17]
  • [6,4,1,10,7]
Base
  • 6
  • 4
  • 1
  • 10
  • 7
TopValue
75
HiddenCells
  • {"r":1,"c":0,"v":31}
  • {"r":3,"c":1,"v":5}
  • {"r":4,"c":3,"v":10}
  • {"r":2,"c":2,"v":28}
  • {"r":4,"c":4,"v":7}
  • {"r":3,"c":3,"v":17}
  • {"r":1,"c":1,"v":44}
  • {"r":3,"c":2,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [46, 54] → [23, 23, _] → [_, _, _, _] → [_, _, 5, 8, 10]

Show answer

Answer: Row3[3]=31, Row5[1]=8, Row4[2]=10, Row1[1]=100, Row4[1]=13, Row5[2]=5, Row4[4]=18, Row4[3]=13

SubType
number-pyramid
Difficulty
hard
Levels
  • [100]
  • [46,54]
  • [23,23,31]
  • [13,10,13,18]
  • [8,5,5,8,10]
Base
  • 8
  • 5
  • 5
  • 8
  • 10
TopValue
100
HiddenCells
  • {"r":2,"c":2,"v":31}
  • {"r":4,"c":0,"v":8}
  • {"r":3,"c":1,"v":10}
  • {"r":0,"c":0,"v":100}
  • {"r":3,"c":0,"v":13}
  • {"r":4,"c":1,"v":5}
  • {"r":3,"c":3,"v":18}
  • {"r":3,"c":2,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [22, 13] → [15, 7, _] → [11, _, _, 3] → [_, 2, _, _, _]

Show answer

Answer: Row5[5]=2, Row3[3]=6, Row5[4]=1, Row4[3]=3, Row5[1]=9, Row1[1]=35, Row5[3]=2, Row4[2]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [35]
  • [22,13]
  • [15,7,6]
  • [11,4,3,3]
  • [9,2,2,1,2]
Base
  • 9
  • 2
  • 2
  • 1
  • 2
TopValue
35
HiddenCells
  • {"r":4,"c":4,"v":2}
  • {"r":2,"c":2,"v":6}
  • {"r":4,"c":3,"v":1}
  • {"r":3,"c":2,"v":3}
  • {"r":4,"c":0,"v":9}
  • {"r":0,"c":0,"v":35}
  • {"r":4,"c":2,"v":2}
  • {"r":3,"c":1,"v":4}